State Intellectual Property Office

2022-09-01

State Intellectual Property Office

2022-09-01

patent for invention

2022-09-01

Invention patent

2022-09-01

A kind of protective clothing that can easily tighten the waist

2022-09-01

A stretching mechanism for anti-inflammatory bandages

2022-09-01

A multifunctional storage device for shoe covers

2022-09-01

A storage device for disposable cartridge

2022-09-01

A kind of convenient protective clothing recycling device

2022-09-01

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